Diaconthous undulatus (DeGeer, 1774)
Syn.: Harminius undulatus (DeGeer, 1774)
Family: Elateridae
Size: 16.3 mm (12.5 to 19.0 mm)
Origin: Siberia to North  Europe and the mountains of Central Europe and the Pyrenees
Ecology: Development in the rotten wood of trees, the beetles are active at night
Location: England, Corruor, Loch Ossian
leg. det. J.Owen, V.1983
Coll. Oxford University Museum of Natural History
Photo: U.Schmidt, 2016

Diaconthous undulatus   (Flickr)